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60。Howfastcanyougrow? ?Five Common Characteristics of Microanisms4.Strongadaptability(Adapttoextremenvironment,suchashighsaltconcentration,hightemperature,antibioticresistant)Five Common Characteristics of Microanisms5.WidespreaddistributionanddiversifiedspeciesImportant Persons in Microbiology History1684AntonievanLeeuwenhoek(discoveryofbacteria)18571864LouisPasteur(lacticacidfermentation,yeastalcoholfermentation,spontaneousgenerationtheory)18811884RobertKoch(pureculture,causeoftuberculosis,Koch’spostulates,causeof(霍亂 )cholera)1889MartinusBeijerinck(conceptofavirus)1929AlexanderFleming(discoveryofpenicilin)1953JamesWatson,FrancisCrick(DNAstructure)1983LucMontagnier(discoveryofHIV)Microanisms as cellsAllcellscontain:proteins,nucleicacids,lipidsandpolysaccharides(forourlab:polyhydroxyalkanoatesorPHA)Thehallmarksofacell:1.Selffeedingornutrition2.Selfreplicationorgrowth3.Differentiation4.Chemicalsignaling5.EvolutionAllcellscontainsix